Pyromellitic acid di(2-phenyl-2-imidazoline) salt , with cas registry number of 54553-91-2, is also called Benzene-1,2,4,5-tetracarboxylic acid 4,5-dihydro-2-phenyl-1H-imidazole (1:2) . As an organic chemical, Pyromellitic acid di(2-phenyl-2-imidazoline) salt has its own IUPAC name and systematic name which are benzene-1,2,4,5-tetracarboxylic acid; 2-phenyl-4,5-dihydro-1H-imidazole ; benzene-1,2,4,5-tetracarboxylic acid - 2-phenyl-4,5-dihydro-1H-imidazole (1:2) . About its molecular structure, the strings are (1) SMILES: O=C(O)c1cc(C(=O)O)c(C(=O)O)cc1C(=O)O.N\2=C(/c1ccccc1)NCC/2.N\2=C(/c1ccccc1)NCC/2; (2) InChI: InChI=1/C10H6O8.2C9H10N2/c11-7(12)3-1-4(8(13)14)6(10(17)18)2-5(3)9(15)16;2*1-2-4-8(5-3-1)9-10-6-7-11-9/h1-2H,(H,11,12)(H,13,14)(H,15,16)(H,17,18);2*1-5H,6-7H2,(H,10,11); (3) InChIKey: XSMMIZPIWZYHNL-UHFFFAOYAI.

  The physical properties of Pyromellitic acid di(2-phenyl-2-imidazoline) salt include: (1) H bond acceptors: 8; (2) H bond donors: 4; (3) Freely Rotating Bonds: 4; (4) Polar Surface Area: 105.2 Å²; (5) Enthalpy of Vaporization: 92.03 kJ/mol; (6) Vapour Pressure: 1.45E-14 mmHg at 25°C. This compound is used as matting hardner for pure epoxy or epoxy/polyester resins powder coatings.

  Pyromellitic acid di(2-phenyl-2-imidazoline) salt is available in the market. There are several suppliers such as Eutec Chemical Co., Ltd.. This company provides this product with appearance of white to off-white very fine powder, the acid value (mg KOH/g) of 195-215, the loss on drying of ＜1%, the particle size ＜30m of 98% min. The package is 20 Kgs net/paper bag lined with multiply PE, 2 bags/carton.